Restore SEBPatch

SafeExamBrowser.Core.UnitTests/OperationModel/QueueExtensionTests.cs

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+/*
+ * Copyright (c) 2024 ETH Zürich, IT Services
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using SafeExamBrowser.Core.OperationModel;
+
+namespace SafeExamBrowser.Core.UnitTests.OperationModel
+{
+	[TestClass]
+	public class QueueExtensionTests
+	{
+		[TestMethod]
+		public void MustCorrectlyIterateThroughQueue()
+		{
+			var order = 0;
+			var queue = new Queue<int>(Enumerable.Range(1, 25));
+			var action = new Action<int>(i =>
+			{
+				Assert.AreEqual(i, ++order);
+				Assert.AreEqual(queue.ElementAt(i - 1), i);
+			});
+
+			queue.ForEach(action);
+
+			Assert.AreEqual(queue.Count, order);
+		}
+	}
+}